mightily

adverb

might·​i·​ly ˈmī-tə-lē 

1

: in a mighty manner : vigorously

applauded mightily

2

: very much

depressed me mightily

Synonyms of mightily

• extremely
• terribly
• very
• incredibly
• too
• badly
• highly
• greatly
• severely
• so
• damned
• desperately
• damn
• really
• heavily
• wildly
• intensely
• seriously
• far
• immensely
• much
• especially
• fiercely
• that
• jolly

Examples of mightily in a Sentence

They contributed mightily to the cause.

She struggled mightily to read his handwriting.

The soldiers fought mightily before finally surrendering.

Recent Examples on the Web

But pretty soon the two interlopers into this small, grudge-holding but tight-knit community — the kind where, going back generations, everybody not only knows but is mightily resentful of everyone else’s business — develop a kind of outsider kinship. —Jessica Kiang, Variety, 16 June 2026

The team, which hadn’t won an NBA championship since 1973, defeated favorites the San Antonio Spurs, in a tense game that saw both teams vying mightily for the triumph. —Diego Parrado, Vanity Fair, 14 June 2026

While Musk is poised to become the world’s first trillionaire thanks to today’s IPO, Shotwell will also benefit mightily. —Emma Hinchliffe, Fortune, 12 June 2026

After beginning his career with a stellar 2023 rookie campaign, Gelof struggled mightily over the next two seasons, leading the AL in strikeouts in 2024 with 188. —Sean Campbell, Sacbee.com, 8 June 2026

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Rhymes for mightily

• vitally

Kids Definition

mightily

adverb

might·​i·​ly ˈmīt-ᵊl-ē 

1

: in a mighty manner : vigorously

fought mightily

2

: very much

contributed mightily to the cause